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31232422423213 = 1131433343637157
BaseRepresentation
bin1110001100111110111010…
…11100011010101010101101
311002120210100012220121202221
413012133131130122222231
513043203000120020323
6150231550552515341
76402316354215364
oct706373534325255
9132523305817687
1031232422423213
119a51661259630
1236050770abb51
131457287c2905b
1479d92b9387db
153926610e355d
hex1c67dd71aaad

31232422423213 has 32 divisors (see below), whose sum is σ = 35999569723392. Its totient is φ = 26830129435200.

The previous prime is 31232422423183. The next prime is 31232422423249.

It is a happy number.

31232422423213 is nontrivially palindromic in base 10.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-31232422423213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31232422423513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48699831 + ... + 49336987.

It is an arithmetic number, because the mean of its divisors is an integer number (1124986553856).

Almost surely, 231232422423213 is an apocalyptic number.

It is an amenable number.

31232422423213 is a deficient number, since it is larger than the sum of its proper divisors (4767147300179).

31232422423213 is a wasteful number, since it uses less digits than its factorization.

31232422423213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640585.

The product of its digits is 82944, while the sum is 34.

It can be divided in two parts, 3123242 and 2423213, that added together give a palindrome (5546455).

The spelling of 31232422423213 in words is "thirty-one trillion, two hundred thirty-two billion, four hundred twenty-two million, four hundred twenty-three thousand, two hundred thirteen".

Divisors: 1 11 31 43 341 473 1333 3343 14663 36773 103633 143749 637157 1139963 1581239 4456219 7008727 19751867 27397751 49018409 217270537 301375261 849330281 2130015851 9342633091 23430174361 66030491381 91590681593 726335405191 1007497497523 2839311129383 31232422423213